Dr. S B Cooke has laboured as the minister in Mount Merrion, Rasharkin and was the minister in Armagh Free Presbyterian Church for 26 years before his retirement in 1994. Dr. Cooke also served as the first Deputy Moderator of the Free Presbyterian Church of Ulster and has given invaluable guidance and instruction as the Professor of Homiletics and Pastoral Theology in the Whitefield College of the Bible. His ministry has been greatly blessed of God both in Ulster and in the United States.